ISRC ITX921002626
Verified recording
ITX921002626 is “4 Impromptus, Op. 142, D. 935: No. 2 in A-Flat Major” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0xd1cf481012ce0749b9f4744b78a0a21cb379721f2fc1e05cb565a2c93c64bc3a and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITX921002626.
Recording identifiers
- ISRC
- ITX921002626
- Title
- 4 Impromptus, Op. 142, D. 935: No. 2 in A-Flat Major
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0xd1cf481012ce0749b9f4744b78a0a21cb379721f2fc1e05cb565a2c93c64bc3a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:ed031f7097ee060c1aab48b4af09505a4951a7bdbe72b536cb68beab1abccf20- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITX921002626
- Bitcoin block existence check
- https://blockstream.info/api/block/960344
Full record
Track page: 4 Impromptus, Op. 142, D. 935: No. 2 in A-Flat Major · Machine-readable JSON-LD